Finding the Fourth Proportional to 1,660,581.68, 2,481,774.29 and 1,212,246.68
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Solution
The fourth proportional to 1,660,581.68, 2,481,774.29 and 1,212,246.68 is: 1,811,728.19
Step by Step Solution
- Step 1: Write the proportion equation
1,660,581.68 : 2,481,774.29 = 1,212,246.68 : x - Step 2: Convert to fraction form
1,660,581.68/2,481,774.29 = 1,212,246.68/x - Step 3: Cross multiply
1,660,581.68x = 2,481,774.29 × 1,212,246.68 - Step 4: Simplify right side
1,660,581.68x = 3,008,522,652,796.91 - Step 5: Solve for x
x = 3,008,522,652,796.91/1,660,581.68 - Step 6: Final answer
x = 1,811,728.19
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.